The full game is several gigabytes (GB) in size. Any file or link claiming "CoD 2 highly compressed 10MB" is almost certainly:
Let's break down the technical reality, the hidden dangers of these downloads, and how you can actually play the game today. call of duty 2 highly compressed 10mb
High-resolution textures, leaving the game looking blocky or unplayable. The full game is several gigabytes (GB) in size